Every wireless-network user should know the perils of signing into a Web service over an unencrypted connection. Elinor Mills explains the perils of using open Wi-Fi networks in her InSecurity Complex blog.
The safest approach is to enter user IDs and passwords only when the page's address begins with "https://" and it has a lock icon at the top or bottom of the browser window. Otherwise a network snoop could monitor your actions without your knowledge. Note that the lock icon may have an exclamation mark even though the page address begins with "https:". This … Read more